chuck hagel for defense secretary and john brennan for the head of the cia. senator graham now demanding more answers about what happened in benghazi. and the ranking republican on the senate armed services committee, oklahoma senator jim inhofe says one option is to filibuster, delay those nominations. >> i would threaten to cause a 60 vote margin, yes, i will, do it that way. >> harris: the white house now firing back saying outgoing defense secretary leon panetta has already testified at length about benghazi just last week and lawmakers should not play politics with critical nominations. steve centanni live with the news from washington, steve? >> reporter: yeah, there could be an attempt to hold up two important nominations. until the white house answers more questions about benghazi. now, senator lindsey graham want today know if the president worked out personally to libyan leaders during that in benghazi. he seaid that hagel and brennan could be side track until they get the answers they want. stopping short of a filibuster, graham has concerns whethe